package exam11;

/**
 * @author HB
 * @version 1.0
 * @description
 * @date 2021/7/2
 */
public class Television{
    public void open(){
        System.out.println("打开电视机！");
    }

    public void close(){
        System.out.println("关闭电视机！");
    }

    public void changeChannel(){
        System.out.println("切换电视频道！");
    }
}

